Code cleanup: several inspections applied

compiler/backend/src/org/jetbrains/kotlin/codegen/codegenUtil.kt

@@ -243,8 +243,9 @@ fun reportTarget6InheritanceErrorIfNeeded(
             state.diagnostics.report(
                     ErrorsJvm.TARGET6_INTERFACE_INHERITANCE.on(
                             classElement, classDescriptor, key,
-                            value.map { Renderers.COMPACT.render(JvmCodegenUtil.getDirectMember(it), RenderingContext.Empty) }.
-                                    joinToString(separator = "\n", prefix = "\n")
+                            value.joinToString(separator = "\n", prefix = "\n") {
+                                Renderers.COMPACT.render(JvmCodegenUtil.getDirectMember(it), RenderingContext.Empty)
+                            }
                     )
             )
         }

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineCodegen.kt

@@ -192,7 +192,7 @@ class CoroutineCodegenForLambda private constructor(
         if (allFunctionParameters().size <= 1) {
             val delegate = typeMapper.mapSignatureSkipGeneric(createCoroutineDescriptor).asmMethod
 
-            val bridgeParameters = (1..delegate.argumentTypes.size - 1).map { AsmTypes.OBJECT_TYPE } + delegate.argumentTypes.last()
+            val bridgeParameters = (1 until delegate.argumentTypes.size).map { AsmTypes.OBJECT_TYPE } + delegate.argumentTypes.last()
             val bridge = Method(delegate.name, delegate.returnType, bridgeParameters.toTypedArray())
 
             generateBridge(bridge, delegate)
@@ -288,7 +288,7 @@ class CoroutineCodegenForLambda private constructor(
 
     private fun allFunctionParameters() =
             originalSuspendFunctionDescriptor.extensionReceiverParameter.let(::listOfNotNull) +
-            originalSuspendFunctionDescriptor.valueParameters.orEmpty()
+            originalSuspendFunctionDescriptor.valueParameters
 
     private fun ParameterDescriptor.getFieldInfoForCoroutineLambdaParameter() =
             createHiddenFieldInfo(type, COROUTINE_LAMBDA_PARAMETER_PREFIX + (this.safeAs<ValueParameterDescriptor>()?.index ?: ""))